internal/struktly/ir/parser.go has no test file. Add internal/struktly/ir/parser_test.go with tests for Parse (a small…

internal/struktly/ir/parser_test.go

@@ -0,0 +1,60 @@
+package ir
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParse(t *testing.T) {
+	// One path and one method: spec.Paths is a map, so handler order is not deterministic.
+	spec := `info:
+  title: Pet Store API
+paths:
+  /pets:
+    get:
+      summary: List all pets
+      operationId: list-pets
+`
+	path := filepath.Join(t.TempDir(), "openapi.yaml")
+	require.NoError(t, os.WriteFile(path, []byte(spec), 0o600))
+
+	svc, err := Parse(path)
+	require.NoError(t, err)
+	require.NotNil(t, svc)
+
+	assert.Equal(t, "PetStoreAPI", svc.Name)
+	require.Len(t, svc.Handlers, 1)
+	assert.Equal(t, Handler{
+		Name:        "ListPets",
+		Method:      "GET",
+		Path:        "/pets",
+		Description: "List all pets",
+	}, svc.Handlers[0])
+}
+
+func TestParseMissingFile(t *testing.T) {
+	svc, err := Parse(filepath.Join(t.TempDir(), "missing.yaml"))
+	require.Error(t, err)
+	assert.Nil(t, svc)
+}
+
+func TestSanitize(t *testing.T) {
+	tests := []struct {
+		in, want string
+	}{
+		{"list-pets", "ListPets"},
+		{"get_pet_by_id", "GetPetById"},
+		{"GET_v2/pets", "GETV2Pets"},
+		{"listPets", "ListPets"},
+		{"", ""},
+	}
+	for _, tt := range tests {
+		t.Run(tt.in, func(t *testing.T) {
+			assert.Equal(t, tt.want, sanitize(tt.in))
+		})
+	}
+}